23
-
+
+
- +
- +
-
Supervised
Notification
Circuits
Class B
1
2
3
4
5
6
7
8
ALD
Loop
_
+
_
+
3.6K 1/4W EOL
P/N 140-820185
To earth ground
Note:
Set TRI-B6R for normally
open trouble causing
operation.
6
7
8
9
2
1
3
Input 1
5
4
Input 2
PAD
-
3
AUX
20
NAC
12
Trouble
Relay
NAC
10 11
15
14
13
NAC
NAC
17
16
+
-
21
P/N 140-820405
24K EOL
ALD
Loop
To earth ground
3.6K 1/4W EOL
P/N 140-820185
1
2
3
4
5
6
7
8
TRI-B6R
TRI-B6R
AC Fail
18 19
Figure 3-7. Connection to TRI-B6R